include: uapi: usb: Introduce USB charger type and state definition

Introducing USB charger type and state definition can help
to support USB charging which will be added in USB phy core.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

diff --git a/include/uapi/linux/usb/charger.h b/include/uapi/linux/usb/charger.h
new file mode 100644 (file)
index 0000000..5f72af3
--- /dev/null
+++ b/include/uapi/linux/usb/charger.h
@@ -0,0 +1,31 @@
+/*
+ * This file defines the USB charger type and state that are needed for
+ * USB device APIs.
+ */
+
+#ifndef _UAPI__LINUX_USB_CHARGER_H
+#define _UAPI__LINUX_USB_CHARGER_H
+
+/*
+ * USB charger type:
+ * SDP (Standard Downstream Port)
+ * DCP (Dedicated Charging Port)
+ * CDP (Charging Downstream Port)
+ * ACA (Accessory Charger Adapters)
+ */
+enum usb_charger_type {
+       UNKNOWN_TYPE,
+       SDP_TYPE,
+       DCP_TYPE,
+       CDP_TYPE,
+       ACA_TYPE,
+};
+
+/* USB charger state */
+enum usb_charger_state {
+       USB_CHARGER_DEFAULT,
+       USB_CHARGER_PRESENT,
+       USB_CHARGER_ABSENT,
+};
+
+#endif /* _UAPI__LINUX_USB_CHARGER_H */